private static Bitmap LoadImage(BinaryReader br, uint width, uint height, VtfImageFormat format)
{
var buffer = new byte[width * height * 4];
switch (format)
{
case VtfImageFormat.Rgba8888:
TransformBytes(buffer, br, width, height, 4, 3, 0, 1, 2, false);
break;
case VtfImageFormat.Abgr8888:
TransformBytes(buffer, br, width, height, 4, 0, 3, 2, 1, false);
break;
case VtfImageFormat.Rgb888:
TransformBytes(buffer, br, width, height, 3, -1, 0, 1, 2, false);
break;
case VtfImageFormat.Bgr888:
TransformBytes(buffer, br, width, height, 3, -1, 2, 1, 0, false);
break;
case VtfImageFormat.Rgb565:
throw new NotImplementedException();
break;
case VtfImageFormat.I8:
throw new NotImplementedException();
break;
case VtfImageFormat.Ia88:
throw new NotImplementedException();
break;
case VtfImageFormat.P8:
throw new NotImplementedException();
break;
case VtfImageFormat.A8:
throw new NotImplementedException();
break;
case VtfImageFormat.Rgb888Bluescreen:
TransformBytes(buffer, br, width, height, 3, -1, 0, 1, 2, true);
break;
case VtfImageFormat.Bgr888Bluescreen:
TransformBytes(buffer, br, width, height, 3, -1, 2, 1, 0, true);
break;
case VtfImageFormat.Argb8888:
TransformBytes(buffer, br, width, height, 4, 0, 1, 2, 3, false);
break;
case VtfImageFormat.Bgra8888:
br.Read(buffer, 0, buffer.Length);
break;
case VtfImageFormat.Dxt1:
case VtfImageFormat.Dxt1Onebitalpha:
DecompressDxt1(buffer, br, width, height);
break;
case VtfImageFormat.Dxt3:
throw new NotImplementedException();
break;
case VtfImageFormat.Dxt5:
DecompressDxt5(buffer, br, width, height);
break;
case VtfImageFormat.Bgrx8888:
TransformBytes(buffer, br, width, height, 4, -1, 2, 1, 0, false);
break;
case VtfImageFormat.Bgr565:
throw new NotImplementedException();
break;
case VtfImageFormat.Bgrx5551:
throw new NotImplementedException();
break;
case VtfImageFormat.Bgra4444:
throw new NotImplementedException();
break;
case VtfImageFormat.Bgra5551:
throw new NotImplementedException();
break;
case VtfImageFormat.Uv88:
TransformBytes(buffer, br, width, height, 2, -1, 0, 1, -1, false);
break;
case VtfImageFormat.Uvwq8888:
throw new NotImplementedException();
break;
case VtfImageFormat.Rgba16161616F:
TransformRgba16161616F(buffer, br, width, height);
break;
case VtfImageFormat.Rgba16161616:
TransformShorts(buffer, br, width, height, 8, 3, 0, 1, 2);
break;
case VtfImageFormat.Uvlx8888:
throw new NotImplementedException();
break;
case VtfImageFormat.R32F:
throw new NotImplementedException();
break;
case VtfImageFormat.Rgb323232F:
throw new NotImplementedException();
break;
case VtfImageFormat.Rgba32323232F:
throw new NotImplementedException();
break;
case VtfImageFormat.NvDst16:
throw new NotImplementedException();
break;
case VtfImageFormat.NvDst24:
throw new NotImplementedException();
break;
case VtfImageFormat.NvIntz:
throw new NotImplementedException();
break;
case VtfImageFormat.NvRawz:
throw new NotImplementedException();
break;
case VtfImageFormat.AtiDst16:
throw new NotImplementedException();
break;
case VtfImageFormat.AtiDst24:
throw new NotImplementedException();
break;
case VtfImageFormat.NvNull:
throw new NotImplementedException();
break;
case VtfImageFormat.Ati2N:
throw new NotImplementedException();
break;
case VtfImageFormat.Ati1N:
throw new NotImplementedException();
break;
}
var bmp = new Bitmap((int)width, (int)height, PixelFormat.Format32bppArgb);
var bits = bmp.LockBits(new Rectangle(0, 0, (int)width, (int)height), ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
Marshal.Copy(buffer, 0, bits.Scan0, buffer.Length);
bmp.UnlockBits(bits);
return bmp;
}
private static uint ComputeImageSize(uint width, uint height, uint depth, VtfImageFormat imageFormat)
{
switch (imageFormat)
{
case VtfImageFormat.Dxt1:
case VtfImageFormat.Dxt1Onebitalpha:
if (width < 4 && width > 0)
{
width = 4;
}
if (height < 4 && height > 0)
{
height = 4;
}
return(((width + 3) / 4) * ((height + 3) / 4) * 8 * depth);
case VtfImageFormat.Dxt3:
case VtfImageFormat.Dxt5:
if (width < 4 && width > 0)
{
width = 4;
}
if (height < 4 && height > 0)
{
height = 4;
}
return(((width + 3) / 4) * ((height + 3) / 4) * 16 * depth);
default:
return(width * height * depth * GetImageFormatInfo(imageFormat).BytesPerPixel);
}
}
public VtfImageFormatInfo(VtfImageFormat format, uint bitsPerPixel, uint bytesPerPixel, uint redBitsPerPixel, uint greenBitsPerPixel, uint blueBitsPerPixel, uint alphaBitsPerPixel, bool isCompressed, bool isSupported)
{
Format = format;
BitsPerPixel = bitsPerPixel;
BytesPerPixel = bytesPerPixel;
RedBitsPerPixel = redBitsPerPixel;
GreenBitsPerPixel = greenBitsPerPixel;
BlueBitsPerPixel = blueBitsPerPixel;
AlphaBitsPerPixel = alphaBitsPerPixel;
IsCompressed = isCompressed;
IsSupported = isSupported;
}
private static uint ComputeMipmapSize(int width, int height, int depth, int mipLevel, VtfImageFormat format)
{
var w = MipmapResize(width, mipLevel);
var h = MipmapResize(height, mipLevel);
var d = MipmapResize(depth, mipLevel);
return ComputeImageSize((uint) w, (uint) h, (uint) d, format);
}
private static uint ComputeImageSize(uint width, uint height, uint depth, uint uiMipmaps, VtfImageFormat imageFormat)
{
uint uiImageSize = 0;
for (var i = 0; i < uiMipmaps; i++)
{
uiImageSize += ComputeImageSize(width, height, depth, imageFormat);
width >>= 1;
height >>= 1;
depth >>= 1;
if (width < 1) width = 1;
if (height < 1) height = 1;
if (depth < 1) depth = 1;
}
return uiImageSize;
}
private static uint ComputeImageSize(uint width, uint height, uint depth, VtfImageFormat imageFormat)
{
switch (imageFormat)
{
case VtfImageFormat.Dxt1:
case VtfImageFormat.Dxt1Onebitalpha:
if (width < 4 && width > 0) width = 4;
if (height < 4 && height > 0) height = 4;
return ((width + 3) / 4) * ((height + 3) / 4) * 8 * depth;
case VtfImageFormat.Dxt3:
case VtfImageFormat.Dxt5:
if (width < 4 && width > 0) width = 4;
if (height < 4 && height > 0) height = 4;
return ((width + 3) / 4) * ((height + 3) / 4) * 16 * depth;
default:
return width * height * depth * GetImageFormatInfo(imageFormat).BytesPerPixel;
}
}
private VtfImageFormatInfo(
VtfImageFormat format,
int bitsPerPixel, int bytesPerPixel,
int redBitsPerPixel, int greenBitsPerPixel, int blueBitsPerPixel, int alphaBitsPerPixel,
int redIndex, int greenIndex, int blueIndex, int alphaIndex,
bool isCompressed, bool isSupported,
TransformPixel pixelTransform = null
)
{
Format = format;
BitsPerPixel = bitsPerPixel;
BytesPerPixel = bytesPerPixel;
RedBitsPerPixel = redBitsPerPixel;
GreenBitsPerPixel = greenBitsPerPixel;
BlueBitsPerPixel = blueBitsPerPixel;
AlphaBitsPerPixel = alphaBitsPerPixel;
RedIndex = redIndex;
GreenIndex = greenIndex;
BlueIndex = blueIndex;
AlphaIndex = alphaIndex;
IsCompressed = isCompressed;
IsSupported = isSupported;
_pixelTransform = pixelTransform;
_is8Aligned = (redBitsPerPixel == 0 || redBitsPerPixel == 8) &&
(greenBitsPerPixel == 0 || greenBitsPerPixel == 8) &&
(blueBitsPerPixel == 0 || blueBitsPerPixel == 8) &&
(alphaBitsPerPixel == 0 || alphaBitsPerPixel == 8);
_is16Aligned = (redBitsPerPixel == 0 || redBitsPerPixel == 16) &&
(greenBitsPerPixel == 0 || greenBitsPerPixel == 16) &&
(blueBitsPerPixel == 0 || blueBitsPerPixel == 16) &&
(alphaBitsPerPixel == 0 || alphaBitsPerPixel == 16);
_is32Aligned = (redBitsPerPixel == 0 || redBitsPerPixel == 32) &&
(greenBitsPerPixel == 0 || greenBitsPerPixel == 32) &&
(blueBitsPerPixel == 0 || blueBitsPerPixel == 32) &&
(alphaBitsPerPixel == 0 || alphaBitsPerPixel == 32);
if (!_is8Aligned && !_is16Aligned && !_is32Aligned)
{
var masks = new[] {
new Mask('r', redBitsPerPixel, redIndex),
new Mask('g', greenBitsPerPixel, greenIndex),
new Mask('b', blueBitsPerPixel, blueIndex),
new Mask('a', alphaBitsPerPixel, alphaIndex),
}.OrderBy(x => x.Index).ToList();
var offset = bitsPerPixel;
foreach (var m in masks)
{
offset -= m.Size;
m.Offset = offset;
}
var dict = masks.ToDictionary(x => x.Component, x => x);
_masks = new[] { dict['b'], dict['g'], dict['r'], dict['a'] };
}
}
public VtfFile(Stream stream)
{
Header = new VtfHeader();
Resources = new List <VtfResource>();
Images = new List <VtfImage>();
using (BinaryReader br = new BinaryReader(stream))
{
string header = br.ReadFixedLengthString(Encoding.ASCII, 4);
if (header != VtfHeader)
{
throw new Exception("Invalid VTF header. Expected '" + VtfHeader + "', got '" + header + "'.");
}
uint v1 = br.ReadUInt32();
uint v2 = br.ReadUInt32();
decimal version = v1 + (v2 / 10m); // e.g. 7.3
Header.Version = version;
uint headerSize = br.ReadUInt32();
ushort width = br.ReadUInt16();
ushort height = br.ReadUInt16();
Header.Flags = (VtfImageFlag)br.ReadUInt32();
ushort numFrames = br.ReadUInt16();
ushort firstFrame = br.ReadUInt16();
br.ReadBytes(4); // padding
Header.Reflectivity = br.ReadVector3();
br.ReadBytes(4); // padding
Header.BumpmapScale = br.ReadSingle();
VtfImageFormat highResImageFormat = (VtfImageFormat)br.ReadUInt32();
byte mipmapCount = br.ReadByte();
VtfImageFormat lowResImageFormat = (VtfImageFormat)br.ReadUInt32();
byte lowResWidth = br.ReadByte();
byte lowResHeight = br.ReadByte();
ushort depth = 1;
uint numResources = 0;
if (version >= 7.2m)
{
depth = br.ReadUInt16();
}
if (version >= 7.3m)
{
br.ReadBytes(3);
numResources = br.ReadUInt32();
br.ReadBytes(8);
}
int faces = 1;
if (Header.Flags.HasFlag(VtfImageFlag.Envmap))
{
faces = version < 7.5m && firstFrame != 0xFFFF ? 7 : 6;
}
VtfImageFormatInfo highResFormatInfo = VtfImageFormatInfo.FromFormat(highResImageFormat);
VtfImageFormatInfo lowResFormatInfo = VtfImageFormatInfo.FromFormat(lowResImageFormat);
int thumbnailSize = lowResImageFormat == VtfImageFormat.None
? 0
: lowResFormatInfo.GetSize(lowResWidth, lowResHeight);
uint thumbnailPos = headerSize;
long dataPos = headerSize + thumbnailSize;
for (int i = 0; i < numResources; i++)
{
VtfResourceType type = (VtfResourceType)br.ReadUInt32();
uint data = br.ReadUInt32();
switch (type)
{
case VtfResourceType.LowResImage:
// Low res image
thumbnailPos = data;
break;
case VtfResourceType.Image:
// Regular image
dataPos = data;
break;
case VtfResourceType.Sheet:
case VtfResourceType.Crc:
case VtfResourceType.TextureLodSettings:
case VtfResourceType.TextureSettingsEx:
case VtfResourceType.KeyValueData:
// todo
Resources.Add(new VtfResource
{
Type = type,
Data = data
});
break;
default:
throw new ArgumentOutOfRangeException(nameof(type), (uint)type, "Unknown resource type");
}
}
if (lowResImageFormat != VtfImageFormat.None)
{
br.BaseStream.Position = thumbnailPos;
int thumbSize = lowResFormatInfo.GetSize(lowResWidth, lowResHeight);
LowResImage = new VtfImage
{
Format = lowResImageFormat,
Width = lowResWidth,
Height = lowResHeight,
Data = br.ReadBytes(thumbSize)
};
}
br.BaseStream.Position = dataPos;
for (int mip = mipmapCount - 1; mip >= 0; mip--)
{
for (int frame = 0; frame < numFrames; frame++)
{
for (int face = 0; face < faces; face++)
{
for (int slice = 0; slice < depth; slice++)
{
int wid = GetMipSize(width, mip);
int hei = GetMipSize(height, mip);
int size = highResFormatInfo.GetSize(wid, hei);
Images.Add(new VtfImage
{
Format = highResImageFormat,
Width = wid,
Height = hei,
Mipmap = mip,
Frame = frame,
Face = face,
Slice = slice,
Data = br.ReadBytes(size)
});
}
}
}
}
}
}
private static Texture2D LoadImage(BinaryReader br, uint width, uint height, VtfImageFormat format, bool remipmap)
{
var buffer = new byte[width * height * 4];
switch (format)
{
case VtfImageFormat.Rgba8888:
TransformBytes(buffer, br, width, height, 4, 3, 0, 1, 2, false);
break;
case VtfImageFormat.Abgr8888:
TransformBytes(buffer, br, width, height, 4, 0, 3, 2, 1, false);
break;
case VtfImageFormat.Rgb888:
TransformBytes(buffer, br, width, height, 3, -1, 0, 1, 2, false);
break;
case VtfImageFormat.Bgr888:
TransformBytes(buffer, br, width, height, 3, -1, 2, 1, 0, false);
break;
case VtfImageFormat.Rgb565:
throw new NotImplementedException();
case VtfImageFormat.I8:
throw new NotImplementedException();
case VtfImageFormat.Ia88:
throw new NotImplementedException();
case VtfImageFormat.P8:
throw new NotImplementedException();
case VtfImageFormat.A8:
throw new NotImplementedException();
case VtfImageFormat.Rgb888Bluescreen:
TransformBytes(buffer, br, width, height, 3, -1, 0, 1, 2, true);
break;
case VtfImageFormat.Bgr888Bluescreen:
TransformBytes(buffer, br, width, height, 3, -1, 2, 1, 0, true);
break;
case VtfImageFormat.Argb8888:
TransformBytes(buffer, br, width, height, 4, 0, 1, 2, 3, false);
break;
case VtfImageFormat.Bgra8888:
br.Read(buffer, 0, buffer.Length);
break;
case VtfImageFormat.Dxt1:
case VtfImageFormat.Dxt1Onebitalpha:
DecompressDxt1(buffer, br, width, height);
break;
case VtfImageFormat.Dxt3:
throw new NotImplementedException();
case VtfImageFormat.Dxt5:
DecompressDxt5(buffer, br, width, height);
break;
case VtfImageFormat.Bgrx8888:
TransformBytes(buffer, br, width, height, 4, -1, 2, 1, 0, false);
break;
case VtfImageFormat.Bgr565:
throw new NotImplementedException();
case VtfImageFormat.Bgrx5551:
throw new NotImplementedException();
case VtfImageFormat.Bgra4444:
throw new NotImplementedException();
case VtfImageFormat.Bgra5551:
throw new NotImplementedException();
case VtfImageFormat.Uv88:
TransformBytes(buffer, br, width, height, 2, -1, 0, 1, -1, false);
break;
case VtfImageFormat.Uvwq8888:
throw new NotImplementedException();
case VtfImageFormat.Rgba16161616F:
TransformRgba16161616F(buffer, br, width, height);
break;
case VtfImageFormat.Rgba16161616:
TransformShorts(buffer, br, width, height, 8, 3, 0, 1, 2);
break;
case VtfImageFormat.Uvlx8888:
throw new NotImplementedException();
case VtfImageFormat.R32F:
throw new NotImplementedException();
case VtfImageFormat.Rgb323232F:
throw new NotImplementedException();
case VtfImageFormat.Rgba32323232F:
throw new NotImplementedException();
case VtfImageFormat.NvDst16:
throw new NotImplementedException();
case VtfImageFormat.NvDst24:
throw new NotImplementedException();
case VtfImageFormat.NvIntz:
throw new NotImplementedException();
case VtfImageFormat.NvRawz:
throw new NotImplementedException();
case VtfImageFormat.AtiDst16:
throw new NotImplementedException();
case VtfImageFormat.AtiDst24:
throw new NotImplementedException();
case VtfImageFormat.NvNull:
throw new NotImplementedException();
case VtfImageFormat.Ati2N:
throw new NotImplementedException();
case VtfImageFormat.Ati1N:
throw new NotImplementedException();
}
var result = new Texture2D((int)width, (int)height, TextureFormat.BGRA32, false);
result.LoadRawTextureData(buffer);
if (remipmap)
{
Color32[] tempCol = result.GetPixels32();
//for(int i = 0; i < tempCol.Length; i++)
//{
// tempCol[i] = ((Color)tempCol[i]).gamma;
//}
result = new Texture2D((int)width, (int)height, TextureFormat.BGRA32, true);
result.SetPixels32(tempCol);
result.Apply(true);
result.Compress(true);
}
result.Apply();
return(result);
}
private static long GetImageDataLocation(int frame, int face, int slice, int mip, VtfImageFormat format, int width, int height, int numFrames, int numFaces, int depth, int numMips)
{
long offset = 0;
// Transverse past all frames and faces of each mipmap (up to the requested one).
for (var i = numMips - 1; i > mip; i--)
{
offset += ComputeMipmapSize(width, height, depth, i, format) * numFrames * numFaces;
}
var uiTemp1 = ComputeMipmapSize(width, height, depth, mip, format);
var uiTemp2 = ComputeMipmapSize(width, height, 1, mip, format);
// Transverse past requested frames and faces of requested mipmap.
offset += uiTemp1 * frame * numFaces * depth;
offset += uiTemp1 * face * depth;
offset += uiTemp2 * slice;
return(offset);
}
private static uint ComputeMipmapSize(int width, int height, int depth, int mipLevel, VtfImageFormat format)
{
var w = MipmapResize(width, mipLevel);
var h = MipmapResize(height, mipLevel);
var d = MipmapResize(depth, mipLevel);
return(ComputeImageSize((uint)w, (uint)h, (uint)d, format));
}
private static VtfImageFormatInfo GetImageFormatInfo(VtfImageFormat imageFormat)
{
return(ImageFormats[imageFormat]);
}
private static uint ComputeImageSize(uint width, uint height, uint depth, uint uiMipmaps, VtfImageFormat imageFormat)
{
uint uiImageSize = 0;
for (var i = 0; i < uiMipmaps; i++)
{
uiImageSize += ComputeImageSize(width, height, depth, imageFormat);
width >>= 1;
height >>= 1;
depth >>= 1;
if (width < 1)
{
width = 1;
}
if (height < 1)
{
height = 1;
}
if (depth < 1)
{
depth = 1;
}
}
return(uiImageSize);
}
public static VtfImageFormatInfo FromFormat(VtfImageFormat imageFormat) => ImageFormats[imageFormat];
private static Bitmap LoadImage(BinaryReader br, uint width, uint height, VtfImageFormat format)
{
var buffer = new byte[width * height * 4];
switch (format)
{
case VtfImageFormat.Rgba8888:
TransformBytes(buffer, br, width, height, 4, 3, 0, 1, 2, false);
break;
case VtfImageFormat.Abgr8888:
TransformBytes(buffer, br, width, height, 4, 0, 3, 2, 1, false);
break;
case VtfImageFormat.Rgb888:
TransformBytes(buffer, br, width, height, 3, -1, 0, 1, 2, false);
break;
case VtfImageFormat.Bgr888:
TransformBytes(buffer, br, width, height, 3, -1, 2, 1, 0, false);
break;
case VtfImageFormat.Rgb565:
throw new NotImplementedException();
break;
case VtfImageFormat.I8:
throw new NotImplementedException();
break;
case VtfImageFormat.Ia88:
throw new NotImplementedException();
break;
case VtfImageFormat.P8:
throw new NotImplementedException();
break;
case VtfImageFormat.A8:
throw new NotImplementedException();
break;
case VtfImageFormat.Rgb888Bluescreen:
TransformBytes(buffer, br, width, height, 3, -1, 0, 1, 2, true);
break;
case VtfImageFormat.Bgr888Bluescreen:
TransformBytes(buffer, br, width, height, 3, -1, 2, 1, 0, true);
break;
case VtfImageFormat.Argb8888:
TransformBytes(buffer, br, width, height, 4, 0, 1, 2, 3, false);
break;
case VtfImageFormat.Bgra8888:
br.Read(buffer, 0, buffer.Length);
break;
case VtfImageFormat.Dxt1:
case VtfImageFormat.Dxt1Onebitalpha:
DecompressDxt1(buffer, br, width, height);
break;
case VtfImageFormat.Dxt3:
throw new NotImplementedException();
break;
case VtfImageFormat.Dxt5:
DecompressDxt5(buffer, br, width, height);
break;
case VtfImageFormat.Bgrx8888:
TransformBytes(buffer, br, width, height, 4, -1, 2, 1, 0, false);
break;
case VtfImageFormat.Bgr565:
throw new NotImplementedException();
break;
case VtfImageFormat.Bgrx5551:
throw new NotImplementedException();
break;
case VtfImageFormat.Bgra4444:
throw new NotImplementedException();
break;
case VtfImageFormat.Bgra5551:
throw new NotImplementedException();
break;
case VtfImageFormat.Uv88:
TransformBytes(buffer, br, width, height, 2, -1, 0, 1, -1, false);
break;
case VtfImageFormat.Uvwq8888:
throw new NotImplementedException();
break;
case VtfImageFormat.Rgba16161616F:
TransformRgba16161616F(buffer, br, width, height);
break;
case VtfImageFormat.Rgba16161616:
TransformShorts(buffer, br, width, height, 8, 3, 0, 1, 2);
break;
case VtfImageFormat.Uvlx8888:
throw new NotImplementedException();
break;
case VtfImageFormat.R32F:
throw new NotImplementedException();
break;
case VtfImageFormat.Rgb323232F:
throw new NotImplementedException();
break;
case VtfImageFormat.Rgba32323232F:
throw new NotImplementedException();
break;
case VtfImageFormat.NvDst16:
throw new NotImplementedException();
break;
case VtfImageFormat.NvDst24:
throw new NotImplementedException();
break;
case VtfImageFormat.NvIntz:
throw new NotImplementedException();
break;
case VtfImageFormat.NvRawz:
throw new NotImplementedException();
break;
case VtfImageFormat.AtiDst16:
throw new NotImplementedException();
break;
case VtfImageFormat.AtiDst24:
throw new NotImplementedException();
break;
case VtfImageFormat.NvNull:
throw new NotImplementedException();
break;
case VtfImageFormat.Ati2N:
throw new NotImplementedException();
break;
case VtfImageFormat.Ati1N:
throw new NotImplementedException();
break;
}
var bmp = new Bitmap((int)width, (int)height, PixelFormat.Format32bppArgb);
var bits = bmp.LockBits(new Rectangle(0, 0, (int)width, (int)height), ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
Marshal.Copy(buffer, 0, bits.Scan0, buffer.Length);
bmp.UnlockBits(bits);
return(bmp);
}
private static long GetImageDataLocation(int frame, int face, int slice, int mip, VtfImageFormat format, int width, int height, int numFrames, int numFaces, int depth, int numMips)
{
long offset = 0;
// Transverse past all frames and faces of each mipmap (up to the requested one).
for (var i = numMips - 1; i > mip; i--)
{
offset += ComputeMipmapSize(width, height, depth, i, format) * numFrames * numFaces;
}
var uiTemp1 = ComputeMipmapSize(width, height, depth, mip, format);
var uiTemp2 = ComputeMipmapSize(width, height, 1, mip, format);
// Transverse past requested frames and faces of requested mipmap.
offset += uiTemp1 * frame * numFaces * depth;
offset += uiTemp1 * face * depth;
offset += uiTemp2 * slice;
return offset;
}
public VtfImageFormatInfo(VtfImageFormat format, uint bitsPerPixel, uint bytesPerPixel, uint redBitsPerPixel, uint greenBitsPerPixel, uint blueBitsPerPixel, uint alphaBitsPerPixel, bool isCompressed, bool isSupported)
{
Format = format;
BitsPerPixel = bitsPerPixel;
BytesPerPixel = bytesPerPixel;
RedBitsPerPixel = redBitsPerPixel;
GreenBitsPerPixel = greenBitsPerPixel;
BlueBitsPerPixel = blueBitsPerPixel;
AlphaBitsPerPixel = alphaBitsPerPixel;
IsCompressed = isCompressed;
IsSupported = isSupported;
}
private static VtfImageFormatInfo GetImageFormatInfo(VtfImageFormat imageFormat)
{
return ImageFormats[imageFormat];
}
